Study explores natural gas methane emissions

摘要

New research provides valuable information about the methane emissions put out by heavy-duty natural gas-powered vehicles and refueling stations, greatly expanding on what previously was very limited data. The study, led by researchers with West Virginia University's Center for Alternative Fuels, Engines and Emissions, found that emissions from the vehicle tailpipe and engine crankcase were the highest methane sources, representing roughly 30% and 39% (respectively) of total pump to wheels (PTW) emissions.